Function getDefaultWriteTest

compile.js:298–307

(ctx, field)

}

function getDefaultWriteTest(ctx, field) {
    const def = ctx._defaults[field.name];
    let code = `    if (obj.${field.name}`;

    if (!field.repeated && !getSubMessage(ctx, field)) {
        if (def === undefined || def || field.oneof) code += ' != null';
        if (def) code += ` && obj.${field.name} !== ${JSON.stringify(def)}`;
    }
    return `${code}) `;
}

function isPacked(field) {
    return field.options.packed === 'true';